It never changes when you add water
A study of 6522 patients found that 24 (0.4%) had experienced adverse reactions, the most frequent being anorexia, nausea, vomiting, and rash [29]
This one really does help wake up my skin and layers seamlessly with my toner, moisturizer, and sunscreen." Sarah Han, commerce editor More to know Types of vitamin C: L-ascorbic acid (percentage undisclosed), ~5% 3-O-ethyl ascorbic acid Other key ingredients: niacinamide, glutathione, vitamin E, panthenol, allantoin Fragrance-free: yes Best for Dark Spots: Goodal Green Tangerine Vita-C Dark Spot Care Serum Why it's worth it: Many well-made vitamin C serums still use droppers, but an airless pump like the one on Goodal's Green Tangerine Vita-C Dark Spot Care Seruma favorite of Kravebeauty founder, Liah Yoooffers a little extra reassurance
A 10 mg total vial is a research-practical size: enough for substantial protocols, small enough to consume within the reconstituted-stability window for most research designs
It is extra work
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